This June 2019 Dutch video with English subtitles is about the Marker Wadden, five sandy islands recently built in the Markermeer lake.
According to Dutch mews agency ANP today, conservationists say these islands have a good effect on the ecosystem.
Rare fish species like houting and ide have been found in what a few years ago was a degraded environment.
Birds like little tern, common tern and avocet nest on the islands.
